If you are making orange squash and you mix one part orange to four parts water, then the ratio of orange to water will be ( to ).
These ratios are all equivalent:
Both sides of the ratio can be multiplied or divided by the same number to give an equivalent ratio.
Write the ratio in its simplest form.
To work this out, look for a number that will divide into and .
divides into both numbers, so can be written as .
You can divide these by , so the simplified ratio is .
No number divides into and exactly, so is the simplest form of the ratio.